Large numbers of students in California's 112 community colleges are struggling to pass college-level math classes, including courses they need to complete a degree or transfer to a four-year institution. Community college students' success in rigorous math is crucial to their futures and to any effort to improve college completion rates in…

In 2012, the Board of Governors of the California Community Colleges adopted recommendations from the legislatively mandated Student Success Task Force. They included a recommendation that California's community colleges develop "diagnostic" assessments for use across the system. These would provide detailed information about each…